Esmil Rake Type Bar Screens - Efficient Wastewater treatment

Bar Screen

Categories: Screens and Fine Screens

An ideal solution for the first stage of preliminary treatment at wastewater treatment plants and pumping stations to remove solids from wastewater stream, protect pumping equipment and reduce the load on the subsequent wastewater treatment processes. The use of this
equipment ensures the reliability of
the wastewater treatment process.

Bar screens RKE are one of the best solutions on the market for mechanical wastewater treatment in terms of reliability and efficiency.

The screen design was developed based on many years of practical experience in operating equipment at municipal and industrial wastewater treatment plants. The engineering solutions implemented in the screen design are characterized by high reliability and efficiency.

Why are Bar Screens RKE the best choice?

reliable design of the housing and mechanisms;
high throughput capacity;
easy installation in new or existing channels;
automated operation, low installation, and maintenance costs;
durability – the screens are manufactured from corrosion-resistant materials.

Why do consumers opt for ESMIL Bar Screens?

A wide range of bar spacings from 5 mm to 100 mm allows selecting a screen for both coarse and fine screening applications, taking into account the type of solid materials present in wastewater.
A unique teardrop-shaped bar minimizes the hydraulic resistance of the screen, increases its throughput capacity, and protects the screen from solids jamming between the bars. Besides, the
screen is resistant to grit and stones present in wastewater.
A removable bar rack, which, if necessary, can be easily replaced on-site without dismantling the entire mechanism.
For more effective removal of the accumulated debris from the bar rack, it is possible to change the amount and design of cleaning rakes or use rakes with alternating tooth lengths.
Rakes can be easily dismantled for maintenance and replacement.
The chain is protected from clogging and wrapping with debris.
Gear motors by one of the world’s leading manufacturers – NORD DriveSystems are used to drive a raking mechanism.
The level of automation and the standards used in the manufacture of screens allow them to be integrated into existing wastewater treatment systems and synchronize their work with
other types of equipment

What makes Bar Screens RKE so reliable and durable?

A perfect pairing between the elements of the housing and screen mechanisms due to the use of high-precision manufacturing technologies.
High corrosion resistance is achieved by the use of stainless steel (AISI 304, AISI 316) in construction, which is extremely important when equipment operates in an aggressive wastewater environment.
The screen production process includes anti-corrosion treatment: bulk etching and passivation by special means.
Mechanical protection: safety clutch of the drive mechanism with the possibility to adjust the force of operation using a spring device.
Electrical protection against overload and power surges sprockets of the raking mechanism have an increased number of teeth; they are made of wear-resistant polyamide, are corrosion-resistant, and durable.
The use of powerful chains with plastic rollers. They are characterized by durability and wear resistance. The rollers minimize rolling friction and ensure maximum work efficiency.
No need to worry about the condition of the underwater parts of the screen – there are no submerged rotating elements, and the chains move along the lateral polymer guides.
Reinforced rake design is implemented.
The rake wiper is manufactured with a polyamide overlay to reduce screen wear

The Esmil bar screens RKE design is the result of years of hands-on experience in operating equipment at both municipal and industrial wastewater treatment facilities. Here at Esmil Group, we prioritize each project, conducting thorough calculations tailored to individual cases. Our clients can always count on receiving personalized project proposals, ensuring that the parameters of the proposed screen align with the specific working conditions of their facility.

Technical characteristics of Bar Screens

Channel width, mm	600 - 2100
Channel depth, mm	600 - 6500
Bar spacing, mm	5 - 100 mm
Inclination angle, °	75 - 85
Waste unloading height, mm	depend on project
Power, kW	0,37; 0,75
Drive protection rating	IP 55 – IP 67

* Screen dimensions can be adjusted depending on the client’s requirements.

Does the waste get stuck between the gaps of the bar screens?

No. The teardrop profile prevents it from getting stuck. The screen is resistant to the presence of sand and stones in the wastewater.

How often is it necessary to lift the Esmil bar screen to check the submerged part?

It is not necessary to lift the screen to check the submerged part. The lower part is made of corrosion-resistant stainless steel, there are no rotating parts and the drive chains move along polymer sliders.

How labor-intensive is the process of maintenance or repair of the bar screen RKE filter area or chains?

It is as simple as possible. The main components of the screen, including the chains, are available in working condition and can be easily adjusted. If it is necessary to lift the equipment, this can be achieved without dismantling. The filter cloth can be easily replaced if damaged.